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| author | Belal, Awais <Awais_Belal@mentor.com> | 2015-12-31 13:38:43 +0000 |
|---|---|---|
| committer | Richard Purdie <richard.purdie@linuxfoundation.org> | 2016-01-15 13:14:35 +0000 |
| commit | c1162207c92fc4f07b62e8c2177832350c412467 (patch) | |
| tree | 41edcee32aa5c5a1469131c9f5cff7ce05229469 | |
| parent | a690c381abbbd0ea896e37b81672f39c3b945087 (diff) | |
| download | ast2050-yocto-poky-c1162207c92fc4f07b62e8c2177832350c412467.zip ast2050-yocto-poky-c1162207c92fc4f07b62e8c2177832350c412467.tar.gz | |
grub2: Fix CVE-2015-8370
http://git.savannah.gnu.org/cgit/grub.git/commit/?id=451d80e52d851432e109771bb8febafca7a5f1f2
(From OE-Core rev: 3f2701c102e4e5b95fc79a8d967f9c48f8232fc6)
Signed-off-by: Awais Belal <awais_belal@mentor.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Joshua Lock <joshua.g.lock@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
| -rw-r--r-- | meta/recipes-bsp/grub/files/0001-Fix-CVE-2015-8370-Grub2-user-pass-vulnerability.patch | 50 | ||||
| -rw-r--r-- | meta/recipes-bsp/grub/grub2.inc | 1 |
2 files changed, 51 insertions, 0 deletions
diff --git a/meta/recipes-bsp/grub/files/0001-Fix-CVE-2015-8370-Grub2-user-pass-vulnerability.patch b/meta/recipes-bsp/grub/files/0001-Fix-CVE-2015-8370-Grub2-user-pass-vulnerability.patch new file mode 100644 index 0000000..9ddd7a6 --- /dev/null +++ b/meta/recipes-bsp/grub/files/0001-Fix-CVE-2015-8370-Grub2-user-pass-vulnerability.patch @@ -0,0 +1,50 @@ +Upstream-Status: Accepted +Signed-off-by: Awais Belal <awais_belal@mentor.com> + +From 451d80e52d851432e109771bb8febafca7a5f1f2 Mon Sep 17 00:00:00 2001 +From: Hector Marco-Gisbert <hecmargi@upv.es> +Date: Wed, 16 Dec 2015 04:57:18 +0000 +Subject: Fix security issue when reading username and password + +This patch fixes two integer underflows at: + * grub-core/lib/crypto.c + * grub-core/normal/auth.c + +CVE-2015-8370 + +Signed-off-by: Hector Marco-Gisbert <hecmargi@upv.es> +Signed-off-by: Ismael Ripoll-Ripoll <iripoll@disca.upv.es> +Also-By: Andrey Borzenkov <arvidjaar@gmail.com> +--- +Index: grub-2.00/grub-core/lib/crypto.c +=================================================================== +--- grub-2.00.orig/grub-core/lib/crypto.c ++++ grub-2.00/grub-core/lib/crypto.c +@@ -458,7 +458,8 @@ grub_password_get (char buf[], unsigned + + if (key == '\b') + { +- cur_len--; ++ if (cur_len) ++ cur_len--; + continue; + } + +Index: grub-2.00/grub-core/normal/auth.c +=================================================================== +--- grub-2.00.orig/grub-core/normal/auth.c ++++ grub-2.00/grub-core/normal/auth.c +@@ -174,8 +174,11 @@ grub_username_get (char buf[], unsigned + + if (key == '\b') + { +- cur_len--; +- grub_printf ("\b"); ++ if (cur_len) ++ { ++ cur_len--; ++ grub_printf ("\b"); ++ } + continue; + } + diff --git a/meta/recipes-bsp/grub/grub2.inc b/meta/recipes-bsp/grub/grub2.inc index 8e733ec..c281098 100644 --- a/meta/recipes-bsp/grub/grub2.inc +++ b/meta/recipes-bsp/grub/grub2.inc @@ -25,6 +25,7 @@ SRC_URI = "ftp://ftp.gnu.org/gnu/grub/grub-${PV}.tar.gz \ file://grub-efi-allow-a-compilation-without-mcmodel-large.patch \ file://grub-efi-fix-with-glibc-2.20.patch \ file://0001-parse_dhcp_vendor-Add-missing-const-qualifiers.patch \ + file://0001-Fix-CVE-2015-8370-Grub2-user-pass-vulnerability.patch \ " DEPENDS = "flex-native bison-native xz" |
